Sci-fi Wire posted the following comment from McAvoy at a recent interview they conducted with him:
It’s just Internet conversation. It’s nothing true, I’m afraid. I’ve not been contacted by anybody to do with The Hobbit… I’d be interested in reading the script if … when they write it. But that’s a long way away, I think. But beyond that, you can’t make any decisions.
You can read the entire, but brief, article here.